<template>
  <div class="about">
    <h1>This is an learn3-child</h1>
    <p>{{ count }}</p>
  </div>
</template>


<script lang="jsx" setup name="user">
import { ref, reactive, onUpdated, onMounted } from "vue";

defineProps(['count'])


onUpdated(() => {
  
  console.log('page2-child-update');
})



</script>

<style>

</style>
